DTK COMPUTER, INC. ================== PKM-0038S (VER. 3) Processor CX486S/80486SX/SL80486SX/CX486DX/AM486DXL/80486DX/ SL80486DX/AM486(PLUS)/AM486DXL2/CX486DX2/AM486DX2(PLUS)/80486DX2/SL80486DX2/80486DX4/P24D/P24T Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 100(internal)MHz Speed Chip Set Unidentified Video Chip None Set Maximum 128MB Onboard Memory Maximum None Video Memory Cache 128/256/512KB BIOS Award Dimensions 260mm x 220mm I/O 32-bit VESAI slots (3), green PC connector Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |-------------------+----------+------------------+----------| | External battery | J1 | Reset switch | J6 | |-------------------+----------+------------------+----------| | Green PC | J2 | Power LED & | J7 | | connector | | keylock | | |-------------------+----------+------------------+----------| | Turbo switch | J3 | Green PC | JP26 | | | | connector | | |-------------------+----------+------------------+----------| | Turbo LED | J4 | Green PC LED | JP27 | |-------------------+----------+------------------+----------| | Speaker | J5 | 32-bit VESA | SL1 - | | | | local bus slots | SL3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |---------------------------------------+-------+------------| |>> | CMOS memory normal operation | JP16 | Pins 1 & 2 | | | | | closed | |---+-----------------------------------+-------+------------| | | CMOS memory clear | JP16 | Pins 2 & 3 | | | | | closed | |---+-----------------------------------+-------+------------| |>> | Monitor type select | JP17 | Open | | | monochrome/EGA/VGA | | | |---+-----------------------------------+-------+------------| | | Monitor type select CGA | JP17 | Closed | |---+-----------------------------------+-------+------------| |>> | CPU clock delay select CLKIN | JP20 | Pins 2 & 3 | | | delayed for CPUCLK | | closed | |---+-----------------------------------+-------+------------| | | CPU clock delay select CLKIN = | JP20 | Pins 1 & 2 | | | CPUCLK | | closed | |---+-----------------------------------+-------+------------| |>> | Factory configured - do not alter | JP32 | Pins 1 & 2 | | | | | closed | |---+-----------------------------------+-------+------------| |>> | Factory configured - do not alter | JP35 | Pins 2 & 3 | | | | | closed | |---+-----------------------------------+-------+------------| |>> | Keyboard clock select | JPX1 | Open | | | asynchronous mode | | | |---+-----------------------------------+-------+------------| | | Keyboard clock select synchronous | JPX1 | Closed | | | mode | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |------+---------------+-------------+------------+----------| | 1MB | (1) 256K x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 2MB | (1) 256K x 36 | (1) 256K x | None | None | | | | 36 | | | |------+---------------+-------------+------------+----------| | 2MB | (1) 512K x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 4MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | None | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 4MB | (1) 512K x 36 | (1) 512K x | None | None | | | | 36 | | | |------+---------------+-------------+------------+----------| | 4MB | (1) 1M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 5MB | (1) 256K x 36 | (1) 1M x 36 | None | None | |------+---------------+-------------+------------+----------| | 6MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | None | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 6MB | (1) 512K x 36 | (1) 1M x 36 | None | None | |------+---------------+-------------+------------+----------| | 8MB | (1) 256K x 36 | (1) 256K x | (1) 512K x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 8MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | None | | | | 36 | 36 | | |------+---------------+-------------+------------+----------| | 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None | |------+---------------+-------------+------------+----------| | 8MB | (1) 2M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 10MB | (1) 256K x 36 | (1) 256K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 12MB | (1) 512K x 36 | (1) 512K x | (1) 1M x | (1) 1M x | | | | 36 | 36 | 36 | |------+---------------+-------------+------------+----------| | 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None | | | | | 36 | | |------+---------------+-------------+------------+----------| | 12MB | (1) 1M x 36 | (1) 2M x 36 | None | None | |------+---------------+-------------+------------+----------| | 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x | | | | | 36 | 36 | |------+---------------+-------------+------------+----------| | 16MB | (1) 4M x 36 | None | None | None | |------+---------------+-------------+------------+----------| | 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | |-------+-------------+------------+------------+------------| | 16MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 17MB | (1) 256K x | (1) 4M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 18MB | (1) 256K x | (1) 256K x | (1) 4M x | None | | | 36 | 36 | 36 | | |-------+-------------+------------+------------+------------| | 18MB | (1) 512K x | (1) 4M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 20MB | (1) 512K x | (1) 512K x | (1) 4M x | None | | | 36 | 36 | 36 | | |-------+-------------+------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 4M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 20MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 24MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 24MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 24MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 24MB | (1) 2M x 36 | (1) 4M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 28MB | (1) 1M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 32MB | (1) 4M x 36 | (1) 4M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 32MB | (1) 8M x 36 | None | None | None | |-------+-------------+------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x | | | 36 | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 36MB | (1) 1M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 40MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 40MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 48MB | (1) 4M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 48MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 64MB | (1) 16M x | None | None | None | | | 36 | | | | |-------+-------------+------------+------------+------------| | 64MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 64MB | (1) 8M x 36 | (1) 8M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 65MB | (1) 256K x | (1) 16M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 16M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 1M x | (1) 16M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 72MB | (1) 1M x 36 | (1) 1M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 80MB | (1) 4M x 36 | (1) 16M x | None | None | | | | 36 | | | |-------+-------------+------------+------------+------------| | 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 80MB | (1) 2M x 36 | (1) 2M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 96MB | (1) 4M x 36 | (1) 4M x | (1) 16M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 96MB | (1) 4M x 36 | (1) 4M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | |-------+-------------+------------+------------+------------| | 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None | | | | 36 | 36 | | |-------+-------------+------------+------------+------------| | 128MB | (1) 16M x | (1) 16M x | None | None | | | 36 | 36 | | | |-------+-------------+------------+------------+------------| | 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x | | | | 36 | 36 | 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-------------+---------------+---------------+--------------| | 128KB | (4) 32K x 8 | None | (1) 8K x 8 | |-------------+---------------+---------------+--------------| | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 | |-------------+---------------+---------------+--------------| | 256KB (B) | (4) 64K x 8 | None | (1) 32K x 8 | |-------------+---------------+---------------+--------------| | 512KB | (4) 128K x 8 | None | (1) 32K x 8 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP1 | JP2 | JP3 | JP4 | JP33 | |-----------+--------+--------+--------------+-------+-------| | 128KB | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 | |-----------+--------+--------+--------------+-------+-------| | 256KB (A) | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 | 1 & 2 | 2 & 3 | |-----------+--------+--------+--------------+-------+-------| | 256KB (B) | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | 1 & 2 | 1 & 2 | |-----------+--------+--------+--------------+-------+-------| | 512KB | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | 2 & 3 | 2 & 3 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (AV9107) | |------------------------------------------------------------| | Speed | JP5 | JP6 | JP7 | |---------------+--------------+--------------+--------------| | 20MHz | Closed | Open | Closed | |---------------+--------------+--------------+--------------| | 25MHz | Closed | Closed | Open | |---------------+--------------+--------------+--------------| | 33MHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 40MHz | Closed | Open | Open | |---------------+--------------+--------------+--------------| | 50iMHz | Closed | Closed | Open | |---------------+--------------+--------------+--------------| | 50MHz | Open | Open | Closed | |---------------+--------------+--------------+--------------| | 66iMHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 75iMHz | Closed | Closed | Open | |---------------+--------------+--------------+--------------| | 80iMHz | Closed | Open | Open | |---------------+--------------+--------------+--------------| | 100iMHz | Open | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION (MX8315) | |------------------------------------------------------------| | Speed | JP5 | JP6 | JP7 | |---------------+--------------+--------------+--------------| | 20MHz | Open | Open | Open | |---------------+--------------+--------------+--------------| | 25MHz | Open | Closed | Open | |---------------+--------------+--------------+--------------| | 33MHz | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 40MHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 50iMHz | Open | Closed | Open | |---------------+--------------+--------------+--------------| | 50MHz | Closed | Open | Open | |---------------+--------------+--------------+--------------| | 66iMHz | Closed | Closed | Closed | |---------------+--------------+--------------+--------------| | 75iMHz | Open | Closed | Open | |---------------+--------------+--------------+--------------| | 80iMHz | Open | Closed | Closed | |---------------+--------------+--------------+--------------| | 100iMHz | Closed | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION | |------------------------------------------------------------| | Type | JP8 | JP10 | JP11 | JP12 | JP13 | |---------------+----------+-------+--------+--------+-------| | CX486S | 2 & 3 | 2 & 3 | Open | 2 & 3, | Open | | | | | | 4 & 5 | | |---------------+----------+-------+--------+--------+-------| | 80486SX | 2 & 3 | 2 & 3 | Open | Open | Open | |---------------+----------+-------+--------+--------+-------| | SL80486SX | 2 & 3 | 2 & 3 | Open | 3 & 4 | 1 & 2 | |---------------+----------+-------+--------+--------+-------| | CX486DX | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 | Open | | | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | AM486DXL | 1 & 2, 3 | 2 & 3 | 1 & 2, | Open | Open | | | & 4 | | 3 & 4 | | | |---------------+----------+-------+--------+--------+-------| | 80486DX | 1 & 2, 3 | 2 & 3 | 3 & 4 | Open | Open | | | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | SL80486DX | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 | 1 & 2 | | | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | AM486DX | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 | 4 & 5 | | (PLUS) | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | AM486DXL2 | 1 & 2, 3 | 2 & 3 | 1 & 2, | Open | Open | | | & 4 | | 3 & 4 | | | |---------------+----------+-------+--------+--------+-------| | CX486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 2 & 3 | Open | | | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | AM486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 | 4 & 5 | | (PLUS) | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | 80486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | Open | Open | | | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | SL80486DX2 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 | 1 & 2 | | | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | 80486DX4 | 1 & 2, 3 | 2 & 3 | 3 & 4 | 3 & 4 | 1 & 2 | | | & 4 | | | | | |---------------+----------+-------+--------+--------+-------| | P24D | 1 & 2, 3 | 1 & 2 | 3 & 4 | 1 & 2, | 2 & 3 | | | & 4 | | | 3 & 4 | | |---------------+----------+-------+--------+--------+-------| | P24T | 1 & 2, 3 | 1 & 2 | 2 & 3 | 3 & 4 | Open | | | & 4 | | | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | JP14 | JP15 | JP21 | JP22 | JP24 | |-----------------+----------+-------+-------+-------+-------| | CX486S | 1 & 2, 3 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | | | & 4 | | | | | |-----------------+----------+-------+-------+-------+-------| | 80486SX | Open | Open | 2 & 3 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | SL80486SX | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | CX486DX | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | |-----------------+----------+-------+-------+-------+-------| | AM486DXL | Open | Open | 1 & 2 | 2 & 3 | 3 & 4 | |-----------------+----------+-------+-------+-------+-------| | 80486DX | Open | Open | 2 & 3 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | SL80486DX | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | AM486DX (PLUS) | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | AM486DXL2 | Open | Open | 1 & 2 | 2 & 3 | 3 & 4 | |-----------------+----------+-------+-------+-------+-------| | CX486DX2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | |-----------------+----------+-------+-------+-------+-------| | AM486DX2 (PLUS) | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | 80486DX2 | Open | Open | 2 & 3 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | SL80486DX2 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | 80486DX4 | 2 & 3 | 4 & 5 | 2 & 3 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | P24D | 2 & 3 | 4 & 5 | 1 & 2 | 1 & 2 | Open | |-----------------+----------+-------+-------+-------+-------| | P24T | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE SELECTION (CON'T) | |------------------------------------------------------------| | Type | JP25 | JP30 | JP31 | JP34 | JP36 | |-----------------+--------+--------+-------+-------+--------| | CX486S | 2 & 3 | Open | Open | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | 80486SX | Open | Open | Open | Open | Closed | |-----------------+--------+--------+-------+-------+--------| | SL80486SX | Open | Open | Open | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | CX486DX | 2 & 3 | Open | Open | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | AM486DXL | Open | Open | Open | 2 & 3 | Closed | |-----------------+--------+--------+-------+-------+--------| | 80486DX | Open | Open | Open | Open | Closed | |-----------------+--------+--------+-------+-------+--------| | SL80486DX | Open | Open | Open | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | AM486DX (PLUS) | 1 & 2 | Open | 2 & 3 | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | AM486DXL2 | Open | Open | Open | 2 & 3 | Closed | |-----------------+--------+--------+-------+-------+--------| | CX486DX2 | 2 & 3 | Open | Open | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | AM486DX2 (PLUS) | 1 & 2 | Open | 2 & 3 | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | 80486DX2 | Open | Open | Open | Open | Closed | |-----------------+--------+--------+-------+-------+--------| | SL80486DX2 | Open | Open | Open | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | 80486DX4 | 3 & 4 | Open | Open | 1 & 2 | Open | |-----------------+--------+--------+-------+-------+--------| | P24D | 1 & 2 | Closed | 1 & 2 | 1 & 2 | Closed | |-----------------+--------+--------+-------+-------+--------| | P24T | 1 & 2 | Open | Open | 1 & 2 | Closed | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS WAIT STATE SELECTION | |------------------------------------------------------------| | Setting | JP28 | |----------------------------+-------------------------------| | | 0 | Pins 1 & 2 closed | |----+-----------------------+-------------------------------| |>> | 1 | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VL BUS SPEED SELECTION | |------------------------------------------------------------| | Setting | JP29 | |----------------------------+-------------------------------| | | <= 33MHz | Pins 1 & 2 closed | |---+------------------------+-------------------------------| |>> | >33 MHz | Pins 2 & 3 closed | +------------------------------------------------------------+